Remove redundant codepath for webgl api blocking

third_party/WebKit/Source/modules/webgl/WebGLRenderingContextBase.cpp

 /*
  * Copyright (C) 2009 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 4988 matching lines @@
 
 void WebGLRenderingContextBase::loseContextImpl(WebGLRenderingContextBase::LostContextMode mode, AutoRecoveryMethod autoRecoveryMethod)
 {
     if (isContextLost())
         return;
 
     m_contextLostMode = mode;
     ASSERT(m_contextLostMode != NotLostContext);
     m_autoRecoveryMethod = autoRecoveryMethod;
 
-    if (mode == RealLostContext) {
-        // Inform the embedder that a lost context was received. In response, the embedder might
-        // decide to take action such as asking the user for permission to use WebGL again.
-        if (LocalFrame* frame = canvas()->document().frame())
-            frame->loader().client()->didLoseWebGLContext(contextGL()->GetGraphicsResetStatusKHR());
-    }
-
     // Make absolutely sure we do not refer to an already-deleted texture or framebuffer.
     drawingBuffer()->setTexture2DBinding(0);
     drawingBuffer()->setFramebufferBinding(GL_FRAMEBUFFER, 0);
 
     detachAndRemoveAllObjects();
 
     // Lose all the extensions.
     for (size_t i = 0; i < m_extensions.size(); ++i) {
         ExtensionTracker* tracker = m_extensions[i];
         tracker->loseExtension(false);
@@ skipping 1269 matching lines @@
         webContext()->pixelStorei(GL_UNPACK_ALIGNMENT, 1);
 }
 
 void WebGLRenderingContextBase::restoreUnpackParameters()
 {
     if (m_unpackAlignment != 1)
         webContext()->pixelStorei(GL_UNPACK_ALIGNMENT, m_unpackAlignment);
 }
 
 } // namespace blink